m = 4096;
c = [200.3775041
-2.265766565
0.011639533
-2.99194E-05
3.74087E-08
-1.81E-11];
ca = m*c;

x = [200:700];

y = c(1) + c(2)*x + c(3)*x.^2 + c(4)*x.^3 + c(5)*x.^4 + c(6)*x.^5;
ya = (ca(1) + ca(2)*x + ca(3)*x.^2 + ca(4)*x.^3 + ca(5)*x.^4 + ca(6)*x.^5)/m;

hold on;
figure(1);
plot(x, y);
figure(2);
plot(x, ya);
hold off;
